Home / 18,350.01-25,322.90-9,966.51

Finding the Fourth Proportional to 18,350.01, 25,322.90 and 9,966.51

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Solution

The fourth proportional to 18,350.01, 25,322.90 and 9,966.51 is: 13,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.01 : 25,322.90 = 9,966.51 : x
  2. Step 2: Convert to fraction form
    18,350.01/25,322.90 = 9,966.51/x
  3. Step 3: Cross multiply
    18,350.01x = 25,322.90 × 9,966.51
  4. Step 4: Simplify right side
    18,350.01x = 252,380,886.25
  5. Step 5: Solve for x
    x = 252,380,886.25/18,350.01
  6. Step 6: Final answer
    x = 13,753.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.